Senior AI Engineer

About the role

Join our freshly launched AI division as a Senior AI Engineer, one of the pioneers shaping our future in AI. In a small, agile team, you'll work on developing cutting-edge AI systems and robust data pipelines—from rapid prototypes to scalable production solutions.

What you'll do

• Build world-class systems and enable teams to ship exceptional user experiences with technical leadership mindset and high agency
• Design and operate backend systems in production, shipping LLM/GenAI features to users including RAG, tool use, planning, and agent frameworks
• Drive architecture decisions, mentor engineers, and establish engineering best practices
• Design distributed systems: API architecture, data modeling, high-throughput async systems, event-driven architectures, caching strategies, and performance optimization
• Build advanced retrieval engineering solutions: embeddings, chunking strategies, hybrid search algorithms, schema/metadata design, and knowledge graphs
• Develop and operate at scale on cloud native platforms, ideally AWS

What you'll need

• 8+ years building and operating backend systems in production with strong Python skills (TypeScript ideal)
• 3+ years shipping LLM/GenAI features to users
• Strong ML fundamentals with hands-on experience in model evaluation and self-evolving agents
• Deep expertise in distributed systems design, high-throughput async systems, and event-driven architectures
• Advanced retrieval engineering experience with comprehensive eval frameworks and production monitoring
• Proven track record of technical leadership and mentoring
• Excellent English communication skills

Nice to have

• Experience with Dagster, Airflow, or Prefect for data workflow orchestration
• Track record of technical writing, open-source contributions, or speaking at industry events
• Fluent German

What they offer

• BVG ticket or Swapfiets membership
• Urban Sports membership
• Top of the line working equipment
• Flexible hours and hybrid setup in Berlin
• Up to 4 weeks workation annually
• Dog-friendly office with free drinks and snacks